This patch adds support for A320 evaluation board from Faraday. This board
uses FA526 processor by default and has 512kB and 32MB NOR flash, 64M RAM.
FA526 is an ARMv4 processor and uses the ARM920T source in this patch.
Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
Defaults are for Infineon DDR timings.
Since none of the supported boards currently do
XIP boot, these seem to be faulty. fix the values
as per the calculations(ACTIMA,B), conf
the sdrc power with pwdnen and wakeupproc bits
Signed-off-by: Nishanth Menon <nm@ti.com>
Provides initial support for TI OMAP-L1x/DA8xx SoC devices.
See http://www.ti.com
Provides:
Low level initialisation.
System clock API.
Timer control.
Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
Remove volatiles and memory mapped structure accesses and replace with
readl and writel macro usage.
Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
This patch adds a unified s3c24x0 cpu header file that selects the header
file for the specific s3c24x0 cpu from the SOC and CPU configs defined in
board config file. This removes the current chain of s3c24-type #ifdef's
from the s3c24x0 code.
Signed-off-by: Kevin Morfitt <kevin.morfitt@fearnside-systems.co.uk>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Fix stack_setup to place the stack on the correct address in DRAM
accroding to U-Boot standard and remove conditional compilation by
CONFIG_MEMORY_UPPER_CODE macro that is not necessry. This macro
was introduced and used only by this board for some unclear reason.
The definition of this macro is also removed because it's not
referenced elsewhere.
Signed-off-by: Seunghyeon Rhee <seunghyeon@lpmtec.com>
Tested-by: Minkyu Kang <mk7.kang@samsung.com>
This patch moves the s3c24x0 header files from include/ to
include/asm-arm/arch-s3c24x0/.
checkpatch.pl showed 2 errors and 3 warnings. The 2 errors were both due
to a non-UTF8 character in David M?ller's name:
ERROR: Invalid UTF-8, patch and commit message should be encoded in UTF-8
#489: FILE: include/asm-arm/arch-s3c24x0/s3c2410.h:3:
+ * David M?ller ELSOFT AG Switzerland. d.mueller@elsoft.ch
As David's name correctly contains a non-UTF8 character I haven't fixed
these errors.
The 3 warnings were all because of the use of 'volatile' in s3c24x0.h:
WARNING: Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt
#673: FILE: include/asm-arm/arch-s3c24x0/s3c24x0.h:35:
+typedef volatile u8 S3C24X0_REG8;
+typedef volatile u16 S3C24X0_REG16;
+typedef volatile u32 S3C24X0_REG32;
I'll fix these errors in another patch.
Tested by running MAKEALL for ARM8 targets and ensuring there were no new
errors or warnings.
Signed-off-by: Kevin Morfitt <kevin.morfitt@fearnside-systems.co.uk>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This patch cleans up the PPC4xx I2C intrastructure:
- Use C struct to describe the I2C registers instead of defines
- Coding style cleanup (braces, whitespace, comments, line length)
- Extract common code from i2c_read() and i2c_write()
- Remove unneeded IIC defines from ppc405.h & ppc440.h
Signed-off-by: Stefan Roese <sr@denx.de>
This patch removes the duplicted implementations of the pci_master_init()
function by introducing a weak default function for it. It can be
overridden by a board specific version.
Signed-off-by: Stefan Roese <sr@denx.de>
This patch removes the duplicted implementations of the pci_pre_init()
function by introducing a weak default function for it. This weak default
has a different implementation for some PPC variants. It can be
overridden by a board specific version.
Signed-off-by: Stefan Roese <sr@denx.de>
This patch removes the duplicted implementations of the pci_target_init()
function by introducing a weak default function for it. This weak default
has a different implementation for 440EP(x)/GR(x) PPC's. It can be
overridden by a board specific version (e.g. PMC440, korat).
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Take advantage of the latest full relocation commit of PPC platform
for boot from NAND.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
We were incorrectly use the max CAM size as the number of entries in
the array for setting up the addrmap. We should be using the NENTRY
field which is the low 12-bits of TLB1CFG.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
commit 1542fbdeec
introduced one new bug to chip-select interleaving.
Single DDR controller also can do the chip-select
interleaving if there is dual-rank or qual-rank DIMMs.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
All currently available 4xx derivats have the I2C bootstrap EEPROM
located on I2C bus number 0. This patch now first sets this bus number,
so that the chip_config command also works for board with multiple
I2C busses, like Katmai.
Signed-off-by: Stefan Roese <sr@denx.de>
This patch introduces a weak default function for is_pci_host(),
returning 1. This is the default behaviour, since most boards only
implement PCI host functionality. This weak default can be overridden
by a board specific version if needed.
Signed-off-by: Stefan Roese <sr@denx.de>
This patch consolidates the PPC4xx board specific PCIe configuration
code. This way the duplicated code is removed. Boards can implement a
special, non standard behaviour (e.g. number of PCIe slots, etc) by
overriding the weak default functions.
Signed-off-by: Stefan Roese <sr@denx.de>
This linker script can be used by all PPC4xx platforms. It works for
PPC405 and PPC440 platforms. Boards which need a board specific linker
script can override this default linker script in board/*/config.mk.
Signed-off-by: Stefan Roese <sr@denx.de>
We need loop-check the flash clear lock and enable bit for L2 cache.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
eSDHC is mutually exlusive with UART0 (in 4-bits mode) and I2C2
(in 1-bit mode). When eSDHC is used, we should switch u-boot console to
UART1, and make the proper device-tree fixups.
Because of an erratum in prototype boards it is impossible to use eSDHC
without disabling UART0 (which makes it quite easy to 'brick' the board
by simply issung 'setenv hwconfig esdhc', and not able to interact with
U-Boot anylonger).
So, but default we assume that the board is a prototype, which is a most
safe assumption. There is no way to determine board revision from a
register, so we use hwconfig.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This change has 3 goals:
- Have secondary cores be released into spin loops at their 'true'
address in SDRAM. Previously, secondary cores were put into spin
loops in the 0xfffffxxx address range which required that boot page
translation was always enabled while cores were in their spin loops.
- Allow the TLB window that the primary core uses to access the
secondary cores boot page to be placed at any address. Previously, a
TLB window at 0xfffff000 was always used to access the seconary cores'
boot page. This TLB address requirement overlapped with other
peripherals on some boards (eg XPedite5370). By default, the boot
page TLB will still use the 0xfffffxxx address range, but this can be
overridden on a board-by-board basis by defining a custom
CONFIG_BPTR_VIRT_ADDR. Note that the TLB used to map the boot page
remains in use while U-Boot executes. Previously it was only
temporarily used, then restored to its initial value.
- Allow Boot Page Translation to be disabled on bootup. Previously,
Boot Page Translation was always left enabled after secondary cores
were brought out of reset. This caused the 0xfffffxxx address range
to somewhat "magically" be translated to an address in SDRAM. Some
boards may not want this oddity in their memory map, so defining
CONFIG_MPC8xxx_DISABLE_BPTR will turn off Boot Page Translation after
the secondary cores are initialized.
These changes are only applicable to 85xx boards with CONFIG_MP defined.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
U-Boot crashed on the last instruction:
int parse_stream_outer(struct in_str *inp, int flag)
{
effa4784: 94 21 ff 38 stwu r1,-200(r1)
effa4788: 7c 08 02 a6 mflr r0
effa478c: 42 9f 00 05 bcl- 20,4*cr7+so,effa4790 <parse_stream_outer+0xc>
effa4790: 7d 80 00 26 mfcr r12
effa4794: 13 c1 b3 21 evstdd r30,176(r1)
...which is a SPE instruction, although -mno-spe was used.
tmp/cross/ppce500v2/bin/powerpc-angstrom-linux-gnuspe-gcc --version
powerpc-angstrom-linux-gnuspe-gcc (GCC) 4.3.3
Seems to be a known issue (since 2008-04?!)
Googled some, turns out this patch/workaround works for me on MPC8536DS.
See http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00311.html for more info
Signed-off-by: Leon Woestenberg <leon@sidebranch.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
According the user manual, we need loop-check the L2 enable bit set.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
U-boot for Marvell Kirkwood boards no longer work after the EABI changes
introduced in commit f772acf8a5. This
turns out to be caused by a stack alignment issue. The armv5te
instructions ldrd/strd instructions require 8-byte alignment to work
properly (otherwise undefined behavior).
Tested on an OpenRD base board, where both printouts and ubifs stuff now
works.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
gpmc_config should not be a variant as it is board specific
hence make it a const parameter
Fixes issues identified by Dirk:
- build issue for zoom2
- warnings for all other OMAP3 platforms using nand/onenand etc
Signed-off-by: Nishanth Menon <nm@ti.com>
Some 4xx variants (e.g. 440EP(x)/GR(x)) have an internal
synchronous PCI clock. Knowledge about the currently configured
value might be helpful. So let's print it out upon bootup.
Signed-off-by: Stefan Roese <sr@denx.de>
PPC440EP(x)/PPC440GR(x):
In asynchronous PCI mode, the synchronous PCI clock must meet
certain requirements. The following equation describes the
relationship that must be maintained between the asynchronous PCI
clock and synchronous PCI clock. Select an appropriate PCI:PLB
ratio to maintain the relationship:
AsyncPCIClk - 1MHz <= SyncPCIclock <= (2 * AsyncPCIClk) - 1MHz
This patch now adds a function to check and reconfigure the sync
PCI clock to meet this requirement. This is in preparation for
some AMCC boards (Sequoia/Rainier and Yosemite/Yellowstone) using this
function to not violate the PCI clocking rules.
Signed-off-by: Stefan Roese <sr@denx.de>
Till now only the ranges in the ebc node are updated with the values
currently configured in the PPC4xx EBC controller. With this patch now
the NOR flash size is updated in the device tree blob as well. This is
done by scanning the compatible nodes "cfi-flash" and "jedec-flash"
for the correct chip select number.
This size fixup is enabled for all AMCC eval board right now. Other
4xx boards may want to enable it as well, if this problem with multiple
NOR FLASH sizes exists.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
strcpy() was iused with the target address being a pointer to a
constant string, which potentially is read-only. Use a (writable)
array of characters instead.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
h/w (see AN3545). The base device tree in use has rev. 1 ID numbers,
so if on Rev. 2 (and higher) h/w, we fix them up here.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Reviewed-by: Roland Lezuo <roland.lezuo@chello.at>
When setting up the LAWs for the DDR, if there was an error,
you got the not-so-helpful error text "ERROR" and nothing
else. Not only is it non-informative, but it is also
pretty frustrating trying to grep for "ERROR" in the source.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This patch re-formats the code in cpu/arm920t and cpu/arm920t/23c24x0 in
preparation for changes to add support for the Embest SBC2440-II Board.
The changes are as follows:
- re-indent the code using Lindent
- make sure register layouts are defined using a C struct
- replace the upper-case typedef'ed C struct names with lower case
non-typedef'ed ones
- make sure registers are accessed using the proper accessor functions
- run checkpatch.pl and fix any error reports
It assumes the following patch has been applied first:
- [U-Boot][PATCH-ARM] CONFIG_SYS_HZ fix for ARM902T S3C24X0 Boards, 05/09/2009
Tested on an Embest SBC2440-II Board with local u-boot patches as I don't have
any s3c2400 or s3c2410 boards but need this patch applying before I can submit
patches for the SBC2440-II Board. Also, ran MAKEALL for all ARM9 targets and no
new warnings or errors were found.
Signed-off-by: Kevin Morfitt <kevin.morfitt@fearnside-systems.co.uk>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This sets CONFIG_SYS_HZ to 1000 for all boards that use the s3c2400 and
s3c2410 cpu's which fixes various problems such as the timeouts in tftp being
too short.
Tested on an Embest SBC2440-II Board with local u-boot patches as I don't
have any s3c2400 or s3c2410 boards but need this patch applying before I can
submit patches for the SBC2440-II Board. Also, ran MAKEALL for all ARM9 targets
and no new warnings or errors were found.
It was originally submitted on 21/06/2009 but didn't get into the 2009.08
release, and Jean-Pierre made one comment on the original patch (see
http://lists.denx.de/pipermail/u-boot/2009-July/055470.html). I've made two
changes to the original patch:
- it's been re-based to the current release
- I've re-named get_timer_raw() to get_ticks() in response to Jean-Pierre's comment
This affects the sbc2410, smdk2400, smdk2410 and trab boards. I've copied it
directly to the maintainers of all except the sbc2410 which doesn't have an
entry in MAINTAINERS.
Signed-off-by: Kevin Morfitt <kmorfitt@aselaptop-1.localdomain>
Tested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This patch adds support for the Samsung s5pc100 and s5pc110
SoCs. The s5pc1xx SoC is an ARM Cortex A8 processor.
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
All arches apparently should reset the watchdog in their udelay loop as
noted on the mailing list recently:
> A comment in flash_status_check() suggests that udelay() is
> expected to reset the watchdog, but I can't find any architecture
> where it does.
If this is missing in other architectures, it should be fixed at the
root cause, i. e. in udelay() or in the respective support routines.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
FLAG_PARSE_SEMICOLON is not defined without hush.h, so include that.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
these boards are built around Atmel's AT91SAM9260/9G20 and have
up to 64MB of NOR flash, up to 128MB of SDRAM, up to 2GB of NAND
and include a 10/100 Ethernet PHY in RMII mode.
Signed-off-by: Eric Benard <eric@eukrea.com>
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
CPUAT91 is built around Atmel's AT91RM9200 and has up to 16MB of NOR
flash, up to 128MB of SDRAM, and includes a Micrel KS8721 PHY in RMII
mode.
Signed-off-by: Eric Benard <eric@eukrea.com>
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
DM646x is an SOC from TI which has both an ARM and a DSP.
There are multiple variants of the SOC mainly dealing with different
core speeds.
This patch adds the initial framework for the DM646x SOC.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
v7_flush_dcache_all, because it depends on omap ROM code is not
generic. Rename the function to 'invalidate_dcache' and move it
to the omap cpu directory.
Collect the other omap cache routines l2_cache_enable and
l2_cache_disable with invalide_dcache into cache.S. This
means removing the old cache.c file that contained l2_cache_enable
and l2_cache_disable.
The conversion from cache.c to cache.S was done most through
disassembling the uboot binary. The only significant change was
to change the comparision for the return of get_cpu_rev from
cmp r0, #0
beq earlier_than_label
Which was lost information to
cmp r0, #CPU_3XX_ES20
blt earlier_than_label
The paths through the enable routine were verified by
adding an infinite loop and seeing the hang. Then
removing the infinite loop and seeing it continue.
The disable routine is similar enough that it was not
tested with this method.
Run tested by cold booting from nand on beagle and zoom1.
Compile tested on MAKEALL arm.
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
NULL is an absolute value and should not be relocated.
After this correction code like:
void weak_fun(void) __attribute__((weak));
printf("weak_fun:%p\n", weak_fun);
will still print null after relocation.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
When U-Boot is relocated from flash to RAM pointers are modified
accordingly. However, pointers initialzed with NULL values should not
be modified so that they maintain their intended NULL value. If the
BSS segment is linked at address 0 its address will not be
updated as necessary during relocation.
This is a temporary workaround. The end goal is to add support to
U-Boot to dynamically locate the BSS at an arbitrary address at
runtime. When the ability to fixup the BSS inteligently is
added, this workaround can be removed and the 85xx link script
can put the BSS at a fixed address at link time.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Commit 054197ba and later fixes used an array to initialize some of
the MDDRC parameters; however, the use of an array turned out to be a
bad idea as it was not possible to correlate structure entries to
array indices in readable and reliable way. Now we use a struct
instead, which makes this self-explanatory.
Signed-off-by: Wolfgang Denk <wd@denx.de>
The command "reginfo" got an overhaul for the ppc4xx. It dumps all the
relevant HW configuration registers (address, symbolic name, content).
This allows to easily detect errors in *.h files and changes in the HW
configuration.
Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
Signed-off-by: Stefan Roese <sr@denx.de>
Modify all existing *.c files to use the new register names
as seen in the AMCC manuals.
Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
Signed-off-by: Stefan Roese <sr@denx.de>
Unfortunately some Rev D PPC405EX/405EXr PVR's are identical with older
405EX(r) parts. Here a list:
0x12911475 - 405EX Rev D with Security *and* 405EX Rev A/B witout Sec
0x12911473 - 405EX Rev D without Security *and* 405EXr Rev A/B with Sec
Since there are only a few older parts in the field, this patch now
changes the PVR's above to represent the new Rev D versions.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Phong Vo" <pvo@amcc.com>
This message is printed upon PCIe bus scan, not only upon error, but also
if no PCIe device is detected at all. Since this is not an error, let's
remove this message in this case. We already have the message
"link is not up." if there is no PCIe device present.
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
The SPD detection code for the Denali memory controller used on some
ppc4xx
processors incorrectly encodes DDR0_42. With certain memory
configurations,
this can cause the bootwrapper to incorrectly calculate the installed
memory
size, because the number of row bits is wrong. This patch fixes that
encoding.
Signed-off-by: Mike Nuss <mike@terascala.com>
Signed-off-by: Stefan Roese <sr@denx.de>
The following changes allow U-Boot to fully relocate from flash to
RAM:
- Remove linker scripts' .fixup sections from the .text section
- Add -mrelocatable to PLATFORM_RELFLAGS for all boards
- Define CONFIG_RELOC_FIXUP_WORKS for all boards
Previously, U-Boot would partially relocate, but statically initialized
pointers needed to be manually relocated.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
This patch merges the ECC handling (ECC parity byte writing) into one
file (ecc.c) for all PPC4xx SDRAM controllers except for PPC440EPx/GRx.
This exception is because only those PPC's use the completely different
Denali SDRAM controller core.
Previously we had two routines to generate/write the ECC parity bytes.
With this patch we now only have one core function left.
Tested on Kilauea (no ECC) and Katmai (with and without ECC).
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Felix Radensky <felix@embedded-sol.com>
Cc: Grant Erickson <gerickson@nuovations.com>
Cc: Pieter Voorthuijsen <pv@prodrive.nl>
Reorganize DDR2 ECC handling to use common code for
SPD DIMMs and soldered SDRAM. Also, use common code
to display SDRAM info (ECC, CAS latency) for SPD and
soldered SDRAM variants.
Signed-off-by: Felix Radensky <felix@embedded-sol.com>
Signed-off-by: Stefan Roese <sr@denx.de>
The latest PPC4xx register cleanup patch missed some SDRAM defines.
This patch now changes lower case UIC defines to upper case. Also
some names are changed to match the naming in the IBM/AMCC users
manuals (e.g. mem_mcopt1 -> SDRAM0_CFG).
Signed-off-by: Stefan Roese <sr@denx.de>
The latest PPC4xx register cleanup patch missed the UIC defines.
This patch now changes lower case UIC defines to upper case.
Signed-off-by: Stefan Roese <sr@denx.de>
some LCRR bits are not documented throughout the 83xx family RMs.
New board porters copying similar board configurations might omit
setting e.g., DBYP since it was not documented in their SoC's RM.
Prevent them bricking their board by retaining power on reset values
in bit fields that the board porter doesn't explicitly configure
via CONFIG_SYS_<registername>_<bitfield> assignments in the board
config file.
also move LCRR assignment to cpu_init_r[am] to help ensure no
transactions are being executed via the local bus while CLKDIV is being
modified.
also start to use i/o accessors.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
U-Boot can detect if an IDE device is present or not.
If not, and this new config option is activated, U-Boot
removes the ATA node from the DTS before booting Linux,
so the Linux IDE driver does not probe the device and
crash. This is needed for buggy hardware (uc101) where
no pull down resistor is connected to the signal IDE5V_DD7.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Martha M Stan <mmarx@silicontkx.com>
Minor cleanup:
Re-ordered default_mddrc_config[] to have matching indices.
This allows to use the same index "N" for source and target fields;
before, we had code like this
out_be32(&im->mddrc.ddr_time_config2, mddrc_config[3]);
which always looked like a copy & paste error because 2 != 3.
Also, use NULL when meaning a null pointer.
Signed-off-by: Wolfgang Denk <wd@denx.de>
The means to determine the core, bus, and DDR frequencies are completely
new on CoreNet style platforms. Additionally on p4080 we can have
different frequencies for FMAN and PME IP blocks. We need to keep track
of the FMAN & PME frequencies since they are used for time stamping
capabilities inside each block.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
On CoreNet style platforms the timebase frequency is the bus frequency
defined by 16 (on PQ3 it is divide by 8). Also on the CoreNet platforms
the core not longer controls the enabling of the timebase. We now need
to enable the boot core's timebase via CCSR register writes.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
There are various locations that we have chip specific info:
* Makefile for which ddr code to build
* Added p4080 & p4040 to cpu_type_list and SVR list
* Added number of LAWs for p4080
* Set CONFIG_MAX_CPUS to 8 for p4080
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The CoreNet platform style of bringing secondary cores out of reset is
a bit different that the PQ3 style. Mostly the registers that we use
to setup boot translation, enable time bases, and boot release the cores
have moved around.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
On CoreNet based platforms the CCSRBAR address is split between an high &
low register and we no longer shift the address.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
The code assumed names where just numbers and always prefixed 'mpc'.
However newer QorIQ don't follow the mpc naming scheme.
Signed-off-by: Vivek Mahajan <vivek.mahajan@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
When boot from NAND, the NAND flash must be connected to br/or0.
Also init RAM(L2 SRAM or DDR SDRAM) for load the second image to
it.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The first stage 4K image uses a seperate ld script file to
generate 4K image. This patch moves it to the cpu/mpc85xx/*
to make it avaliable for 85xx platform.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
u-boot reports a PCIE PLL lock error at boot time on Yucca board, and
left PCIe nonfunctional. This is fixed by making u-boot function
ppc4xx_init_pcie() to wait 300 uS after negating reset before the
first check of the PLL lock.
Signed-off-by: Rupjyoti Sarmah <rsarmah@amcc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
All 4xx variants had their own, mostly identical get_OPB_freq()
function. Some variants even only had the OPB frequency calculated
in this routine and not supplied the sys_info.freqOPB variable
correctly (e.g. 405EZ). This resulted in incorrect OPB values passed
via the FDT to Linux.
This patch now removes all those copies and only uses one function
for all 4xx variants (except for IOP480 which doesn't have an OPB).
Signed-off-by: Stefan Roese <sr@denx.de>
We should make sure to clear MSR[ME, CE, DE] when we boot an OS image
since we have changed the exception vectors and the OSes vectors might
not be setup we should avoid async interrupts at all costs.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Use write_tlb and don't use memset so we can use the same code for
cpu_init_early_f between NAND SPL and not.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The MPC8536E is capable of booting form NAND/eSDHC/eSPI, this patch
implements these three bootup methods in a unified way - all of these
use the general cpu/mpc85xx/start.S, and load the main image to L2SRAM
which lets us use the SPD to initialize the SDRAM.
For all three bootup methods, the bootup process can be divided into two
stages: the first stage will initialize the corresponding controller,
configure the L2SRAM, then copy the second stage image to L2SRAM and
jump to it. The second stage image is just like the general U-Boot image
to configure all the hardware and boot up to U-Boot command line.
When boot from NAND, the eLBC controller will first load the first stage
image to internal 4K RAM buffer because it's also stored on the NAND
flash. The first stage image, also call 4K NAND loader, will initialize
the L2SRAM, load the second stage image to L2SRAM and jump to it. The 4K
NAND loader's code comes from the corresponding nand_spl directory, along
with the code twisted by CONFIG_NAND_SPL.
When boot from eSDHC/eSPI, there's no such a first stage image because
the CPU ROM code does the same work. It will initialize the L2SRAM
according to the config addr/word pairs on the fixed address and
initialize the eSDHC/eSPI controller, then load the second stage image
to L2SRAM and jump to it.
The macro CONFIG_SYS_RAMBOOT is used to control the code to produce the
second stage image for all different bootup methods. It's set in the
board config file when one of the bootup methods above is selected.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
If we move some of the functions in tlb.c around we need less
ifdefs. The first stage loader just needs invalidate_tlb and
init_tlbs.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
We can pack the initial tlb_table in MAS register format and use
write_tlb to set things up. This savings can be helpful for NAND
style first stage boot loaders.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Factor out the code we use to actually write a tlb entry.
set_tlb is a logical view of the TLB while write_tlb is a low level
matching the MAS registers.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Fix setting of ESDMODE (MR1) register - the bit shifting was wrong
* Fix the format string to match size in a debug print
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Skipping the interrupted instruction will accomplish nothing other
than turning a spurious interrupt into a crash.
External interrupts are not machine checks, so don't count them as such.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Its reset value is random, and we sometimes read uninitialized TLB
arrays. Make sure that we don't retain MAS8 from reading such an entry
if the VF bit in MAS8 is set, attempts to use the mapping will trap.
Signed-off-by: Scott Wood <scottwood@freescale.com>
